package com.ls.guava;

import org.junit.Test;

import com.google.common.cache.Cache;

public class CacheTest2 {

	@Test
	public void testNull(){
		Cache<String, String> chargeKeyCache = CacheFactory.cached(null, 60l, null);
		String b = chargeKeyCache.getIfPresent("a");
		System.out.println(b);
		chargeKeyCache.putAll(null);
	}
}
